Veggie Smash Burger

Name: Veggie Smash Burger
Ingredients: 1 lb. Mushrooms ((Button, Shiitake, Portobello etc)); 1.5 lb. Onions ((White, Yellow / Brown)); 8 Minced Garlic Cloves; 2 - 3 medium Carrots; 3 - 4 medium Celery Stalks; 1 15 oz. Can of Chickpeas; 1 cup Cooked White Rice; 3/4 cup Potato Starch; 2 Tbsp Soy Sauce ((or Coconut Aminos)); 2 Tbsp Vegan Worcestershire; 1 Tbsp Miso Paste ((or Nutritional Yeast for Soy Free)); 1 Tbsp Tomato Paste; 2 Tbsp Vinegar; 1 Tbsp Smoked Paprika; 1/4 cup Nutritional Yeast; 1 tsp Cayenne; Salt & Pepper ((to taste)); Panko ((Optional for Coating)); 1/4 cup Vital Wheat Gluten; 2 - 3 Tbsp Methylcellulose; 2 - 3 tsp Ground Psyllium Husk